Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.072473E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:30:39+0800
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    1 Object 1

    Name HIBARI
    AOE ID 49400
    NORAD ID 49400
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 55431
    NORAD ID 55431
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HIBARI STARLINK-5643
    Time of Closest Approach 2026-10-22T16:05:07+0000
    Collision Probability (Pc) 1.072473E-5
    Conjunction Distance (km) 1.265 km
    Relative Speed (km/s) 12.652 km/s
    Conjunction Risk Parameters R (Radial): 1.2 | I (In-track): 0.229 | C (Cross-track): 0.329
    Collision Risk Index (CRI) 0.56
    X Position (km) -1787.095 -1787.311
    Position Y (km) 1521.401 1521.296
    Position Z (km) -6442.445 -6443.687
    Velocity X (km/s) 6.888 -4.989
    Velocity Y (km/s) -2.146 -5.753
    Velocity Z (km/s) -2.423 0.025

    Orbital Parameters 国际轨道数据源

    Parameter HIBARI STARLINK-5643
    Semimajor Axis (a) 6842.022 km 6852.661 km
    Eccentricity (e) 0.001278 0.000295
    Inclination (i) 97.3097° 70.0000°
    RAAN 337.6599° 234.7445°
    Perigee Argument 111.6214° 271.9312°
    Mean Anomaly (M) 248.6392° 285.6857°
    Apogee 472.633 km 476.544 km
    Perigee 455.137 km 472.504 km
    Orbit Epoch 2026-10-20T01:56:20+0000 2026-10-20T12:00:03+0000

    HIBARI & STARLINK-5643 Collision Probability (Pc) Trend

    HIBARI & STARLINK-5643 Collision Probability (Pc) TrendNot Available

    HIBARI & STARLINK-5643 Miss Distance (Miss Distance) Trend

    HIBARI & STARLINK-5643 Miss Distance (Miss Distance) TrendNot Available

    HIBARIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5643Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HIBARICollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5643Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HIBARI

    No nearby objects data